body {
    font-size: 12px;
    font-family: "宋体";
    color: #515151;
}

body,
h2,
form,
table {
    padding: 0;
    margin: 0;
}

#center {
    background: url(img/屏幕截图\ 2023-12-16\ 140244.png) no-repeat;
}

#head {
    width: 650px;
    height: 150px;
    margin: 0 auto;
    padding-top: 20px;

}

#dh {
    width: 100%;
    height: 48px;
    margin: 0 auto;
    background: #11d614;
}

.nav {
    width: 980px;
    height: 50px;
    margin: 0 auto;

}

.nav li {
    float: left;
}

a {
    display: inline-block;
    height: 50px;
    padding: 0 50px;
    line-height: 50px;
}

.bg {
    background: #a1f115;
}

a:hover {
    background: #e00e8f;
}

#box {
    width: 700px;
    height: 650px;
    border: 1px solid #ccc;
    padding: 20px;
    margin: 50px auto 0;
    background: rgba(211, 22, 44, 0.5);
}

.header {
    font-size: 22px;
    color: #0b0b0b;
    padding-bottom: 30px;
}

.header span {
    font-size: 12px;
    font-weight: normal;
}

td {
    padding-bottom: 26px;
}

td.left {
    width: 80px;
    color: #ffffff;
    text-align: right;
    padding-right: 10px;
}

.red {
    color: #F00;
}

.txt01,
.txt02 {
    width: 260px;
    height: 15px;
    border: 1px solid #ccc;
    padding: 3px 3px 3px 10px;
    font-size: 12px;
    color: #949494;
}

.txt03 {
    width: 120px;
    height: 12px;
    padding: 3px 3px 3px 10px;
    font-size: 12px;
}

.course {
    width: 150px;
}

.message {
    width: 430px;
    height: 160px;
    font-size: 10px;
    color: #949494;
    padding: 3px;
}

.ys1 {
    color: #ffffff;
}

.ys {
    color: #ffffff;
    font-size: 20px;
}